EP3614748B1 - Procédé de communication sans fil et dispositif terminal - Google Patents

Procédé de communication sans fil et dispositif terminal Download PDF

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Publication number
EP3614748B1
EP3614748B1 EP17919797.5A EP17919797A EP3614748B1 EP 3614748 B1 EP3614748 B1 EP 3614748B1 EP 17919797 A EP17919797 A EP 17919797A EP 3614748 B1 EP3614748 B1 EP 3614748B1
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EP
European Patent Office
Prior art keywords
uplink signal
terminal device
target uplink
srs
transmission power
Prior art date
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Application number
EP17919797.5A
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German (de)
English (en)
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EP3614748A4 (fr
EP3614748A1 (fr
Inventor
Wenhong Chen
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of EP3614748A4 publication Critical patent/EP3614748A4/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Definitions

  • the present application relates to a field of communications, and more particularly, to a wireless communication method and terminal device.
  • a base station may instruct a terminal device to determine an uplink transmission power to be adopted by configuring a power control parameter.
  • EP 2693813A1 discloses a terminal apparatus including a control section that controls transmission power a sounding reference signal (SRS) using an offset value corresponding to transmission power of a data signal; and a transmitting section that transmits the SRS with the transmission power, in which, the control section controls the transmission power of the SRS using a first offset value when an SRS transmission subframe is a predetermined subframe, and the control section controls the transmission power of the SRS using a second offset value when the transmission subframe is a subframe other than the predetermined subframe.
  • SRS sounding reference signal
  • US 20170223640 A1 discloses a wireless device determining a calculated power for a plurality of signals, comprising: a first sounding reference signal (SRS) configured for transmission in a subframe of a licensed assisted access cell type and a second SRS configured for transmission in the subframe of a licensed cell type.
  • SRS sounding reference signal
  • DCI design consideration for NR 3GPP DRAFT, R1-170384, vol. RAN WG1, XP051272596 , discloses Fields of the "Size B" DCI format for UL scheduling.
  • CN 101174858A discloses a power control method and a power control apparatus.
  • CN 102835033A discloses a wireless communication apparatus and a power control method.
  • On reference signals for UL power control 3GPP TSG-RAN WG1 meeting #89 R1-1708714, XP051262611, discloses the setting of the UE Transmit power for a physical uplink control channel (PUCCH) transmission .
  • PUCCH physical uplink control channel
  • PT-RS design 3GPP DRAFT; R1-1710359 PT-RS, 26 June 2017 (2017-06-26), XP051299573 , discloses setting the transmission power for a Phase Tracking Reference Signal, PTRS.
  • Implementations of the present application provides a wireless communication method and a terminal device, wherein by referring to a transmission power of an uplink signal, a transmission power of another uplink signal may be reasonably determined as required, thus a power control parameter of another uplink signal does not need to be configured by a network device, and a communication performance may be improved.
  • the invention is defined by the appended independent claims. Advantageous embodiment are set out in the respective dependent claims.
  • a wireless communication method including:
  • the target uplink signal may be a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), a Physical Random Access Channel (PRACH), a Phase Tracking Reference Signal (PTRS), or a Sounding Reference Signal (SRS).
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • PRACH Physical Random Access Channel
  • PTRS Phase Tracking Reference Signal
  • SRS Sounding Reference Signal
  • the reference uplink signal is a PUSCH, a PUCCH, a PRACH, a PTRS, or an SRS.
  • the target uplink signal and the reference uplink signal are uplink signals of a same type.
  • the target uplink signal is an SRS transmitted on a first SRS resource
  • the reference uplink signal is an SRS transmitted on a second SRS resource associated with the first SRS resource.
  • the first SRS resource and the second SRS resource belong to a same SRS resource group.
  • the second SRS resource is an SRS resource configured by a network device for the first SRS resource in the SRS resource group; or, the second SRS resource is a preset SRS resource in the SRS resource group.
  • the same SRS resource group is used for an uplink beam management.
  • the second SRS resource is an SRS resource configured for the terminal device by the network device through an SRS Resource Indication (SRI) and associated with the first SRS resource.
  • SRI SRS Resource Indication
  • the target uplink signal is a PUSCH; and determining, by the terminal device, the reference uplink signal of the target uplink signal, includes: determining, by the terminal device, the reference uplink signal based on Downlink Control Information (DCI) for scheduling the PUSCH.
  • DCI Downlink Control Information
  • the target uplink signal is a PTRS
  • the reference uplink signal is a PUSCH or a DMRS transmitted on the Demodulation Reference Signal (DMRS) port associated with the PTRS.
  • DMRS Demodulation Reference Signal
  • the target uplink signal and the reference uplink signal satisfy a specific relationship on at least one of a frequency domain transmission resource, a time domain transmission resource, a transmission port and a transmission beam.
  • the target uplink signal and the reference uplink signal are transmitted on a same carrier or adjacent carriers.
  • the target uplink signal and the reference uplink signal are transmitted through a same port.
  • the target uplink signal and the reference uplink signal are transmitted through a same beam.
  • the target uplink signal is an SRS
  • the reference uplink signal is a PUSCH or a PUCCH transmitted last time before transmitting the SRS.
  • the target uplink signal is an uplink signal of a New Radio (NR) system
  • the reference uplink signal is an uplink signal of a Long Term Evolution (LTE) system.
  • NR New Radio
  • LTE Long Term Evolution
  • the terminal device determines the transmission power of the reference signal uplink signal as the transmission power of the target uplink signal.
  • the terminal device obtains the transmission power of the target uplink signal based on the transmission power of the reference uplink signal and an offset.
  • a terminal device is provided to be used for performing the method of above first aspect or the method in any possible implementation mode of the first aspect.
  • the terminal device includes function modules used for executing the method in the first aspect or any possible implementation mode of the first aspect.
  • a terminal device may determine a transmission power of a target uplink signal according to a transmission power of a reference uplink signal, such that by referring to a transmission power of an uplink signal, a transmission power of another uplink signal may be reasonably determined as required and a power control parameter of the another uplink signal may be further configured, thus a communication performance may be improved.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet wireless Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • FIG. 1 shows a wireless communication system 100 to which an implementation of the present application is applied.
  • the wireless communication system 100 may include a network device 110.
  • the network device 110 may be a device that communicates with a terminal device.
  • the network device 110 may provide communication coverage for a specific geographical area, and may communicate with a terminal device (e.g., a UE) in the coverage area.
  • the network device 110 may be a Base Transceiver Station (BTS) in a GSM system or CDMA system, a NodeB (NB) in a WCDMA system, an Evolutional Node B (eNB or eNodeB) in an LTE system, or a radio controller in a Cloud Radio Access Network (CRAN).
  • BTS Base Transceiver Station
  • NB NodeB
  • eNB or eNodeB Evolutional Node B
  • CRAN Cloud Radio Access Network
  • the network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, a
  • the wireless communication system 100 further includes at least one terminal device 120 in the coverage area of the network device 110.
  • the terminal device 120 may be mobile or fixed.
  • the terminal device 120 may be referred to as an access terminal, a User Equipment (UE), a subscriber unit, a subscriber station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user apparatus.
  • UE User Equipment
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device or a computing device with a wireless communication function, or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network, or a terminal device in a future evolved Public Land Mobile Network (PLMN), or the like.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • PLMN Public Land Mobile Network
  • a terminal direct connection (Device to Device, D2D) communication may be performed between the terminal devices 120.
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplifies one network device and two terminal devices.
  • the wireless communication system 100 may include multiple network devices, and another quantity of terminal devices may be included within a coverage area of each network device, which is not restricted in implementations of the present application.
  • the wireless communication system 100 may further include other network entities such as a network controller, a mobile management entity, which is not restricted in implementations of the present application.
  • network entities such as a network controller, a mobile management entity, which is not restricted in implementations of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an implementation of the present application.
  • the method 200 may optionally be applied to the system shown in FIG. 1 , but is not limited thereto.
  • the method 200 includes at least some of following contents of acts 210 to 230.
  • a terminal device determines a reference uplink signal of a target uplink signal. Wherein determining the reference uplink signal of the target uplink signal is used for determining a transmission power of the target uplink signal based on a transmission power of the reference uplink signal.
  • the target uplink signal may be a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), a Physical Random Access Channel (PRACH), a Phase Tracking Reference Signal (PTRS), or a Sounding Reference Signal (SRS).
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • PRACH Physical Random Access Channel
  • PTRS Phase Tracking Reference Signal
  • SRS Sounding Reference Signal
  • the reference uplink signal may be a PUSCH, a PUCCH, a PRACH, a PTRS, or an SRS.
  • the signal is a channel (for example, the target uplink signal is a PUSCH) mentioned in the present application means that the signal is transmitted through the channel.
  • the target uplink signal and the reference uplink signal may be signals in different systems (networks).
  • the target uplink signal is an uplink signal of an NR system and the reference uplink signal is an uplink signal of an LTE system.
  • target uplink signal and the reference uplink signal may also be signals in the same system (network).
  • the target uplink signal and the reference uplink signal may be uplink signals of different types.
  • a type of an uplink signal may be distinguished by a transmission mode of the uplink signal or a purpose of the uplink signal.
  • the target uplink signal may be any one of a PUSCH, a PUCCH, a PRACH, a PTRS, and an SRS
  • the reference uplink signal may be any one of a PUSCH, a PUCCH, a PRACH, a PTRS, and an SRS, which is of different type from the target uplink signal.
  • the target uplink signal is a PUCCH
  • the reference uplink signal may be an SRS
  • the target uplink signal is an SRS
  • the reference uplink signal may be a PUCCH
  • the target uplink signal and the reference uplink signal may be uplink signals of the same type.
  • the target uplink signal is an SRS and the reference uplink signal is another SRS.
  • the target uplink signal is a PUCCH and the reference uplink signal is another PUCCH.
  • the target uplink signal is an SRS transmitted on a first SRS resource
  • the reference uplink signal is an SRS transmitted on a second SRS resource associated with the first SRS resource.
  • the first SRS resource and the second SRS resource belong to the same SRS resource group.
  • the SRS resource group may include multiple SRS resources.
  • parameter configuration of each SRS resource in the multiple SRS resources is independent of those of other SRS resources, which may specifically include at least one of following parameter configurations: a time domain resource occupied for transmitting an SRS; a frequency domain resource occupied for transmitting an SRS; an SRS sequence used for transmitting an SRS; the number of times of transmitting an SRS after receiving a trigger signaling sent by a network device.
  • a network side may allocate a configuration parameter for each SRS resource with an independent signaling.
  • the second SRS resource is an SRS resource, configured by a network device for the first SRS resource, in the SRS resource group.
  • the network device may configure a reference SRS resource for all SRS resources in the SRS resource group (the reference SRS resource also belongs to the SRS resource group, for example, an SRS resource with a lowest index in the SRS resource group).
  • the terminal device may determine transmission powers for transmitting SRSs on other SRS resources based on a transmission power of an SRS transmitted on the reference SRS resource, so that transmission powers for transmitting SRSs on all SRS resources in the SRS resource group may be the same.
  • the network device may configure different reference SRS resources for different SRS resources in the SRS resource group.
  • a reference resource configured for an SRS resource 1 and an SRS resource 2 may be an SRS resource 3
  • a reference resources configured for an SRS resource 4 and an SRS resource 5 may be an SRS resource 6, so that transmission powers for transmitting SRSs on the SRS resource 1, the SRS resource 2 and the SRS resource 3 may be the same, and transmission powers for transmitting SRSs on the SRS resource 4, the SRS resource 5 and the SRS resource 6 may be the same.
  • the second SRS resource may be a preset SRS resource in the SRS resource group.
  • the preset SRS resource mentioned here is not configured by a network device, for example, the preset SRS resource is an SRS resource specified in a protocol.
  • a reference SRS resource may be preset for all SRS resources in the SRS resource group, and the terminal device may determine transmission powers for transmitting SRSs on other SRS resources based on a transmission power of an SRS transmitted on the reference SRS resource, so that transmission powers of SRSs transmitted on all SRS resources in the SRS resource group may be the same.
  • reference SRS resources preset for different SRS resources in the SRS resource group may be different.
  • a reference resource preset for an SRS resource 1 and an SRS resource 2 may be an SRS resource 3
  • a reference resource preset for an SRS resource 4 and an SRS resource 5 may be an SRS resource 6, so that transmission powers for transmitting SRSs on the SRS resource 1, the SRS resource 2 and the SRS resource 3 may be the same, and transmission powers for transmitting SRSs on the SRS resource 4, the SRS resource 5 and the SRS resource 6 may be the same.
  • the target uplink signal may be SRSs transmitted on multiple SRS resources, for example, may be SRSs transmitted on all SRS resources in a SRS resource group. If SRSs transmitted on a SRS resource group corresponds to a reference uplink signal, then the same transmission power may be determined when all SRS resources in the group are used for transmitting the SRSs, which may be used for an uplink beam management.
  • the SRS resource group may be an SRS resource group configured in advance by a network side for an uplink beam management.
  • the uplink beam management includes a transmitting beam management and/or a receiving beam management.
  • a terminal device may use different transmission beams to transmit SRSs on different SRS resources in multiple SRS resources.
  • a network device may select at least one SRS resource to indicate to the terminal device based on received signal strengths on the multiple SRS resources, thus enabling the terminal device to transmit data using a beam corresponding to the SRS resource.
  • a terminal device may use the same beam to transmit SRSs on multiple SRS resources.
  • a network device may receive SRS signals on multiple SRS resources based on different receiving beams, and select a receiving beam for receiving data according to received signal strengths.
  • a terminal device when performing the beam management, may use the same transmission power to transmit SRSs.
  • a network device may configure the same reference SRS resource for SRS resources in a SRS resource group, so as to transmit SRSs, on the SRS resources in the SRS resource group, all by a transmission power for transmitting SRSs on the reference SRS resource, thus an uplink beam management is achieved.
  • the second SRS resource associated with the first SRS resource is an SRS resource configured by a network device for a terminal device through an SRS Resource Indication (SRI) and associated with the first SRS resource.
  • SRI SRS Resource Indication
  • the network device when configuring an SRS resource for transmitting a target uplink signal, the network device configures an associated SRS resource for the SRS resource through an upper-layer signaling.
  • the terminal device may transmit SRS signals on an SRS resource group including an SRS resource indicated by the SRI, and different SRS resources may optionally adopt different transmission powers for transmitting.
  • the network device may select an SRS resource 1 and may indicate the selected SRS resource 1 to the terminal device through the SRI. Specifically, the network device may indicate the selected SRS resource 1 to the terminal device through DCI for scheduling uplink data transmission or scheduling uplink control information transmission.
  • the terminal device may adopt the same transmission power (which may be a transmission power used for transmitting an SRS on the present SRS resource 1 or a transmission power used for transmitting an SRS on a previous SRS resource 1) as used for transmitting an SRS on the SRS resource 1.
  • the same transmission power which may be a transmission power used for transmitting an SRS on the present SRS resource 1 or a transmission power used for transmitting an SRS on a previous SRS resource 1.
  • the target uplink signal is a PUSCH.
  • the terminal device may determine a reference uplink signal based on Downlink Control Information (DCI) for scheduling the PUSCH.
  • DCI Downlink Control Information
  • the network device may indicate an SRS resource by DCI for scheduling the PUSCH and use an SRS transmitted on the SRS resource as the reference uplink signal.
  • the SRS may be indicated by the SRS resource indicated with the above-mentioned SRI carried in the DCI mentioned above, so that the terminal device may determine a transmission power of the PUSCH based on a transmission power for transmitting the SRS on the SRS resource.
  • the SRS transmitted on the SRS resource indicated by the above-mentioned SRI may be used as a reference uplink signal for target uplink signals other than PUSCH or SRS, which is not specifically restricted in implementations of the present application.
  • the target uplink signal is a PTRS
  • the reference uplink signal is a PUSCH or a DMRS transmitted on a Demodulation Reference Signal (DMRS) port associated with the PTRS.
  • DMRS Demodulation Reference Signal
  • the target uplink signal and the reference uplink signal satisfy a specific relationship on at least one of a frequency domain transmission resource, a time domain transmission resource, a transmission port, and a transmission beam.
  • the target uplink signal and the reference uplink signal are transmitted on the same carrier or adjacent carriers.
  • the target uplink signal and the reference uplink signal may not be signals under the same system (network), for example, the target uplink signal is an uplink signal of a New Radio (NR) system, and the reference uplink signal is an uplink signal of a Long Term Evolution (LTE) system.
  • NR New Radio
  • LTE Long Term Evolution
  • the uplink signal of the NR system and the uplink signal of the LTE system work on the same carrier, a similar transmission power may be used for transmission.
  • the target uplink signal and the reference uplink signal are transmitted through the same port.
  • the target uplink signal and the reference uplink signal are transmitted through the same beam.
  • the target uplink signal is an SRS
  • the reference uplink signal is a PUSCH or a PUCCH transmitted last time before transmitting the SRS.
  • the terminal device determines a transmission power of the target uplink signal according to a transmission power of the reference uplink signal.
  • the terminal device determines the transmission power of the reference uplink signal as the transmission power of the target uplink signal.
  • the terminal device obtains the transmission power of the target uplink signal based on the transmission power of the reference uplink signal and an offset.
  • the offset may be notified to the terminal device by the network device through an upper-layer signaling or a DCI signaling.
  • the reference uplink signals corresponding to different target uplink signals may be the same, of course, may also be different).
  • the terminal device transmits the target uplink signal by using the determined transmission power.
  • a terminal device may determine a transmission power of a target uplink signal according to a transmission power of a reference uplink signal, such that by referring to a transmission power of an uplink signal, a transmission power of another uplink signal may be reasonably determined as required and a power control parameter of the other uplink signal may further be configured, thereby a communication performance may be improved.
  • FIG. 3 is a schematic block diagram of a terminal device 300 according to an implementation of the present application. As shown in FIG. 3 , the terminal device 300 includes a processing unit 310 and a communication unit 320.
  • the processing unit 310 is used for determining a reference uplink signal of a target uplink signal, and determining a transmission power of the target uplink signal according to a transmission power of the reference uplink signal.
  • the communication unit 320 is used for transmitting the target uplink signal by using the transmission power determined by the processing unit.
  • the target uplink signal is a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), a Physical Random Access Channel (PRACH), a Phase Tracking Reference Signal (PTRS), or a Sounding Reference Signal (SRS).
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • PRACH Physical Random Access Channel
  • PTRS Phase Tracking Reference Signal
  • SRS Sounding Reference Signal
  • the reference uplink signal is a PUSCH, a PUCCH, a PRACH, a PTRS, or an SRS.
  • the target uplink signal and the reference uplink signal are uplink signals of a same type.
  • the target uplink signal is an SRS transmitted on a first SRS resource
  • the reference uplink signal is an SRS transmitted on a second SRS resource associated with the first SRS resource.
  • the first SRS resource and the second SRS resource belong to a same SRS resource group.
  • the second SRS resource is an SRS resource configured by a network device for the first SRS resource in the SRS resource group; or, the second SRS resource is a preset SRS resource in the SRS resource group.
  • the same SRS resource group is used for an uplink beam management.
  • the second SRS resource is an SRS resource configured for the terminal device by the network device through an SRS Resource Indication (SRI) and associated with the first SRS resource.
  • SRI SRS Resource Indication
  • the target uplink signal is a PUSCH; the processing unit 310 is further used for determining the reference uplink signal based on Downlink Control Information (DCI) for scheduling the PUSCH.
  • DCI Downlink Control Information
  • the target uplink signal is a PTRS
  • the reference uplink signal is a PUSCH or a DMRS transmitted on a Demodulation Reference Signal (DMRS) port associated with the PTRS.
  • DMRS Demodulation Reference Signal
  • the target uplink signal and the reference uplink signal satisfy a specific relationship on at least one of a frequency domain transmission resource, a time domain transmission resource, a transmission port and a transmission beam.
  • the target uplink signal and the reference uplink signal are transmitted on a same carrier or adjacent carriers.
  • the target uplink signal and the reference uplink signal are transmitted through a same port.
  • the target uplink signal and the reference uplink signal are transmitted through a same beam.
  • the target uplink signal is an SRS
  • the reference uplink signal is a PUSCH or a PUCCH transmitted last time before transmitting the SRS.
  • the target uplink signal is an uplink signal of a New Radio (NR) system
  • the reference uplink signal is an uplink signal of a Long Term Evolution (LTE) system.
  • NR New Radio
  • LTE Long Term Evolution
  • the processing unit 310 is further used for determining the transmission power of the reference signal uplink signal as the transmission power of the target uplink signal.
  • the processing unit 310 is further used for obtaining the transmission power of the target uplink signal based on the transmission power of the reference uplink signal and an offset.
  • terminal device 300 may correspond to the terminal device in the method 200, and it may realize corresponding operations of the terminal device in the method 200, which will not be repeated here for sake of conciseness.
  • FIG. 4 is a schematic structural diagram of a system chip 400 according to an implementation of the present application.
  • the system chip 400 in FIG.4 includes an input interface 401, an output interface 402, a processor 403 and a memory 404.
  • the processor 403 and the memory 404 may be connected through internal communication connection lines.
  • the processor 403 is used for executing codes in the memory 404.
  • the processor 403 implements the method implemented by the terminal device in the method implementations. This will not be repeated here for sake of conciseness.
  • FIG. 5 is a schematic block diagram of a communication device 500 according to an implementation of the present application.
  • the communication device 500 includes a processor 510 and a memory 520.
  • the memory 520 may store program codes, and the processor 510 may execute the program codes stored in the memory 520.
  • the communication device 500 may include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with an external device.
  • the processor 510 may call the program codes stored in the memory 520 to perform corresponding operations of the terminal device in the method implementations. This will not be repeated here for sake of conciseness.
  • the processor in an implementation of the present application may be an integrated circuit chip with a capability for processing signals.
  • the actions of method implementations described above may be accomplished by integrated logic circuits of hardware in the processor or instructions in the form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Various methods, acts and logic block diagrams disclosed in implementations of the present application may be accomplished or implemented.
  • the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the actions of the method disclosed in connection with the implementations of the present application may be directly embodied by an execution of a hardware decoding processor, or by an execution of a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in a storage medium commonly used in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, or a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the actions of the method in combination with its hardware.
  • the memory in implementations of the present application may be a volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable ROM (PROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM) which serves as an external cache.
  • RAMs such as a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate SDRAM (DDR SDRAM), an enhanced SDRAM (ESDRAM), a Synchlink DRAM (SLDRAM), and a Direct Rambus RAM (DR RAM).
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM Synchlink DRAM
  • DR RAM Direct Rambus RAM
  • the disclosed system, device and method may be implemented in other ways.
  • the apparatus implementations described above are only illustrative, for example, a division of the units is only a logical function division, and there may be other division manners in actual realization.
  • multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separated components may or may not be physically separated, and the component shown as a unit may or may not be a physical unit, i.e., it may be located in one place or may be allocated over multiple network units. Some or all of the units may be selected according to practical needs to achieve a purpose of the solution of the implementation.
  • various functional units in various implementations of the present application may be integrated in one processing unit, or various units may be physically present separately, or two or more units may be integrated in one unit.
  • the software may be stored in a computer readable storage medium.
  • the technical solution of the present application in essence, or the part contributing to the existing art, or the part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the acts of the methods described in various implementations of the present application.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (10)

  1. Procédé de communication sans fil, comprenant :
    la détermination, par un dispositif terminal, d'un signal de liaison montante de référence d'un signal de liaison montante cible (210) ;
    la détermination, par le dispositif terminal, d'une puissance de transmission du signal de liaison montante cible en fonction d'une puissance de transmission du signal de liaison montante de référence (220) ; et
    la transmission, par le dispositif terminal, du signal de liaison montante cible en utilisant la puissance de transmission déterminée (230) ; le signal de liaison montante cible étant un signal de référence de suivi de phase, PTRS, le signal de liaison montante de référence étant un canal partagé de liaison montante physique, PUSCH, transmis sur un port de signal de référence de démodulation, DMRS, associé au PTRS ; la détermination, par le dispositif terminal, de la puissance de transmission du signal de liaison montante cible en fonction de la puissance de transmission du signal de liaison montante de référence, comprenant :
    l'obtention, par le dispositif terminal, de la puissance de transmission du signal de liaison montante cible sur la base de la puissance de transmission du signal de liaison montante de référence et d'un décalage ; le décalage étant notifié au dispositif terminal par un dispositif de réseau par l'intermédiaire d'une signalisation de couche supérieure ou d'une signalisation DCI, et différents signaux de liaison montante cibles ayant différents décalages ; le signal de liaison montante cible étant un signal de liaison montante d'un système de nouvelle radio, NR, et le signal de liaison montante de référence étant un signal de liaison montante d'un système d'évolution à long terme, LTE.
  2. Procédé selon la revendication 1, le signal de liaison montante cible et le signal de liaison montante de référence satisfaisant une relation spécifique sur au moins l'un parmi une ressource de transmission de domaine fréquentiel, une ressource de transmission de domaine temporel, un port de transmission et un faisceau de transmission.
  3. Procédé selon la revendication 2, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis sur une même porteuse ou des porteuses adjacentes.
  4. Procédé selon la revendication 2, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis par l'intermédiaire d'un même port.
  5. Procédé selon la revendication 2, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis par l'intermédiaire d'un même faisceau.
  6. Dispositif terminal, comprenant une unité de traitement (310) et une unité de communication (320),
    l'unité de traitement (310) étant configurée pour déterminer un signal de liaison montante de référence d'un signal de liaison montante cible, et obtenir la puissance de transmission du signal de liaison montante cible sur la base de la puissance de transmission du signal de liaison montante de référence et d'un décalage ; le décalage étant notifié au dispositif terminal par un dispositif de réseau par l'intermédiaire d'une signalisation de couche supérieure ou d'une signalisation DCI, et différents signaux de liaison montante cibles ayant différents décalages ; et
    l'unité de communication (320) étant configurée pour transmettre le signal de liaison montante cible en utilisant la puissance de transmission déterminée par l'unité de traitement (310) ; le signal de liaison montante cible étant un signal de référence de suivi de phase, PTRS, le signal de liaison montante de référence étant un canal partagé de liaison montante physique, PUSCH, transmis sur un port de signal de référence de démodulation, DMRS, associé au PTRS ; le signal de liaison montante cible étant un signal de liaison montante d'un système de nouvelle radio, NR, et le signal de liaison montante de référence étant un signal de liaison montante d'un système d'évolution à long terme, LTE.
  7. Dispositif terminal selon la revendication 6, le signal de liaison montante cible et le signal de liaison montante de référence satisfaisant une relation spécifique sur au moins l'un parmi une ressource de transmission de domaine fréquentiel, une ressource de transmission de domaine temporel, un port de transmission et un faisceau de transmission.
  8. Dispositif terminal selon la revendication 7, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis sur une même porteuse ou des porteuses adjacentes.
  9. Dispositif terminal selon la revendication 7, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis par l'intermédiaire d'un même port.
  10. Dispositif terminal selon la revendication 7, le signal de liaison montante cible et le signal de liaison montante de référence étant transmis par l'intermédiaire d'un même faisceau.
EP17919797.5A 2017-08-04 2017-08-04 Procédé de communication sans fil et dispositif terminal Active EP3614748B1 (fr)

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AU2017426219A1 (en) 2019-12-05
WO2019024101A1 (fr) 2019-02-07
MX2019015051A (es) 2020-02-13
CN111935809B (zh) 2023-05-23
CN111133804A (zh) 2020-05-08
BR112019026688A2 (pt) 2020-06-23
CN111935809A (zh) 2020-11-13
US10945215B2 (en) 2021-03-09
US20210153136A1 (en) 2021-05-20
US20200120610A1 (en) 2020-04-16
EP3614748A4 (fr) 2020-04-22
ZA202001207B (en) 2021-08-25
EP3614748A1 (fr) 2020-02-26
US11490336B2 (en) 2022-11-01
CA3063783A1 (fr) 2019-02-07
RU2741628C1 (ru) 2021-01-28
SG11201910738PA (en) 2020-02-27

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